/Engine/Source/Editor/UnrealEd/Public/SourceCodeNavigation.h
Finds the base directory for a given module name. Does not rely on symbols; finds matching .build.cs files.
static bool FindModulePath ( const [FString](API\Runtime\Core\Containers\FString) & InModuleName, [FString](API\Runtime\Core\Containers\FString) & OutModulePath )